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2625-17-4

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2625-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2625-17-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,2 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2625-17:
(6*2)+(5*6)+(4*2)+(3*5)+(2*1)+(1*7)=74
74 % 10 = 4
So 2625-17-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H27NO/c1-16(15-22(2)3)14-21(23)19-10-6-4-8-17(19)12-13-18-9-5-7-11-20(18)21/h4-11,16,23H,12-15H2,1-3H3
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